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Installation. - TM-5-4120-239-14_71
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TM-5-4120-239-14 Refigeration Unit Mechanical Panel Mounted For Refrigerator Prefabricated Eletric Motor Driven KECO Model F10000R-6 NSN 4110-01-077-B203 Gasoline Engine Driven Manual
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CHAPTER  5 DIRECT  SUPPORT  AND  GENERAL  SUPPORT MAINTENANCE   INSTRUCTIONS
Section   XVIII.   MAINTENANCE   OF   REFRIGERATION   SYSTEM 4-62.   General. Organizational   maintenance   of  the   refrigeration system  is  limited  to  inspection  and  testing  of  the system.   Remove   top   covers,   louvers   and   partially rem ov parts direct 4 - 6 3 . a. e  junction  box  as  required  to   gain   access   to   all of  the  system.    Report   any   deficiencies   to support    maintenance. Inspection. Values.   Inspect   charging   valves,   solenoid valves,   expansion   valves,   pressure   relief   valves   and pressure  regulating  valves  for  cracks  or  damaged condition.   Inspect   capillary   tubes   for   kinks   or breaks.  Disconnect  solenoid  valve  electrical  con- nectors   and   check   for   coil   continuity   between terminals. b.   Vibration   Eliminators.   Check   vibration eliminators  for  dam  aged  covering  and  connections. c.   Coils.   Inspect   condenser   and  evaporator   coils for   bent   or   broken   fins   and   for   damaged   con- nections. d.   Louver   Control   Actuator.   Inspect   cylinder   for cracks   and   damaged   connections.   Inspect   control for  bent  or  broken  condition. e. Dehydrator  and  Receiver.  Inspect    dehydrator and  receiver  for  damage. f. Tubing   and   Fittings.   Inspect  tubing  for  kinks, cracks  or  other  damage.  Inspect  fittings  for  cracks. 4-64.   Testing   System   for   Leaks Check  all  piping,  components,  and  connections  of the  refrigerant  system  with  a  General  Electric  Type H-2   Halogen   Leak   Detector   unit   (or   approved equal).   The   detector   shall   be   calibrated   with   a General   Electric   LS-20   leak   standard   (or   approved equal  )  for  a  pure  refrigerant  leak  rate  of  0.1  ounce per   year.   Any   detected   leaks   exceeding   this   rate shall  be  reported  immediately  to  direct  support maintenance   for   correction   and   recharging. Warning:   Avoid   bodily   contact   with   liquid refrigerant   and   avoid   inhaling   refrigerant   gas. Be  especially   careful   that   refrigerant   does   not c o m e    i n    c o n t a c t    w i t h    t h e    e y e s .    I n    c a s e    of refrigerant   leaks,   ventilate   area   immediately. 4-35

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